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napB periplasmic nitrate reductase cytochrome c550 protein [ Escherichia coli str. K-12 substr. MG1655 ]

Gene ID: 946698, updated on 4-Apr-2024

Summary

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Gene symbol
napB
Gene description
periplasmic nitrate reductase cytochrome c550 protein
Primary source
ASAP:ABE-0007283
Locus tag
b2203
See related
ECOCYC:EG12061
Gene type
protein coding
RefSeq status
PROVISIONAL
Organism
Escherichia coli str. K-12 substr. MG1655 (strain: K-12, substrain: MG1655)
Lineage
Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; Enterobacteriaceae; Escherichia
Also known as
ECK2195; yejY
Summary
The napB gene encodes the diheme cytochrome c550 protein which is complexed with NapA in the periplasm; it receives electrons from the membrane-bound proteins and passes them to NapA. [More information is available at EcoCyc: EG12061].
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Genomic context

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Sequence:
NC_000913.3 (2298269..2298718, complement)

NC_000913.3Genomic Context describing neighboring genes Neighboring gene cytochrome c maturation protein B Neighboring gene cytochrome c maturation protein A Neighboring gene periplasmic nitrate reductase cytochrome c protein Neighboring gene ferredoxin-type protein NapH Neighboring gene ferredoxin-type protein NapG Neighboring gene periplasmic nitrate reductase subunit NapA Neighboring gene NapA signal peptide-binding chaperone NapD

Genomic regions, transcripts, and products

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Genomic Sequence:
NC_000913.3

Go to nucleotide: Graphics FASTA GenBank

Bibliography

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Related articles in PubMed

  1. Spectropotentiometric and structural analysis of the periplasmic nitrate reductase from Escherichia coli. Jepson BJ, et al. J Biol Chem, 2007 Mar 2. PMID 17130127
  2. The periplasmic nitrate reductase from Escherichia coli: a heterodimeric molybdoprotein with a double-arginine signal sequence and an unusual leader peptide cleavage site. Thomas G, et al. FEMS Microbiol Lett, 1999 May 1. PMID 10234835
  3. Competition between Escherichia coli strains expressing either a periplasmic or a membrane-bound nitrate reductase: does Nap confer a selective advantage during nitrate-limited growth? Potter LC, et al. Biochem J, 1999 Nov 15. PMID 10548536, Free PMC Article
  4. The molybdate-responsive Escherichia coli ModE transcriptional regulator coordinates periplasmic nitrate reductase (napFDAGHBC) operon expression with nitrate and molybdate availability. McNicholas PM, et al. J Bacteriol, 2002 Jun. PMID 12029041, Free PMC Article
  5. STUDIES ON THE PYRIDINE NUCLEOTIDE SPECIFICITY OF NITRATE REDUCTASE IN HIGHER PLANTS AND ITS RELATIONSHIP TO SULFHYDRYL LEVEL. BEEVERS L, et al. Biochim Biophys Acta, 1964 Sep 18. PMID 14209328

See all (21) citations in PubMed

GeneRIFs: Gene References Into Functions

What's a GeneRIF?
  1. N-terminus verified by Edman degradation on mature peptide
    Title: The periplasmic nitrate reductase from Escherichia coli: a heterodimeric molybdoprotein with a double-arginine signal sequence and an unusual leader peptide cleavage site.
Submit: New GeneRIF Correction

Interactions

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Products Interactant Other Gene Complex Source Pubs Description

General gene information

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Gene Ontology Provided by EcoCyc

Function Evidence Code Pubs
enables metal ion binding IEA
Inferred from Electronic Annotation
more info
  
enables protein binding IPI
Inferred from Physical Interaction
more info
 PubMed 
Process Evidence Code Pubs
involved_in anaerobic respiration IBA
Inferred from Biological aspect of Ancestor
more info
  
involved_in anaerobic respiration IEA
Inferred from Electronic Annotation
more info
  
acts_upstream_of_or_within anaerobic respiration IMP
Inferred from Mutant Phenotype
more info
 PubMed 
involved_in anaerobic respiration NAS
Non-traceable Author Statement
more info
 PubMed 
involved_in nitrate assimilation NAS
Non-traceable Author Statement
more info
 PubMed 
Component Evidence Code Pubs
part_of nitrate reductase complex IPI
Inferred from Physical Interaction
more info
 PubMed 
located_in periplasmic space IDA
Inferred from Direct Assay
more info
 PubMed 
located_in periplasmic space IEA
Inferred from Electronic Annotation
more info
  

General protein information

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Preferred Names
periplasmic nitrate reductase cytochrome c550 protein
NP_416707.4

NCBI Reference Sequences (RefSeq)

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Genome Annotation

The following sections contain reference sequences that belong to a specific genome build. Explain

Reference assembly

Genomic

  1. NC_000913.3 Reference assembly

    Range
    2298269..2298718 complement
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NP_416707.4 periplasmic nitrate reductase cytochrome c550 protein [Escherichia coli str. K-12 substr. MG1655]

    See identical proteins and their annotated locations for NP_416707.4

    Status: PROVISIONAL

    UniProtKB/TrEMBL
    A0A376VIA0, A0A6C9QJK1
    Conserved Domains (1) summary
    PRK11586
    Location:1 → 149
    napB; nitrate reductase cytochrome c-type subunit
Nucleotide Protein
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